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(Stroke. 2007;38:1304.)
© 2007 American Heart Association, Inc.

Original Contributions

The Relation Between Knowledge About Hypertension and Education in Hospitalized Patients With Stroke in Vienna

From the Department of Neurology (D.S., S.G., E.A., W.L.), Medical University of Vienna, Austria; and the Department of Neurology (W.L.), Hospital Barmherzige Brueder, Vienna, Austria.

Correspondence to Wolfgang Lalouschek, MD, Medical University of Vienna, Department of Neurology, Waehringer Guertel 18-20, 1090 Vienna, Austria. E-mail wolfgang.lalouschek{at}meduniwien.ac.at

Background and Purpose— Knowledge about hypertension and its control influences blood pressure control in patients with hypertension. We assessed these parameters in a large cohort of patients with ischemic stroke or transient ischemic attack and analyzed their association with educational attainment.

Methods— Five hundred ninety-one consecutive patients with stroke with a medical history of hypertension were interviewed about knowledge concerning hypertension within a multicenter hospital-based stroke registry. We analyzed answers in relation to educational level with multivariate logistic regression adjusted for age and sex.

Results— Seventy-seven percent of the patients stated to have known about hypertension being a risk factor for stroke, but only 30% felt at increased risk of stroke. Less than half (47%) could identify 140 mm Hg or less as the maximum tolerated systolic blood pressure, and 53% had their blood pressure only controlled monthly or less often. Knowledge of possible consequences of myocardial infarction, nephropathy, peripheral vascular disease, and retinopathy was 64%, 20%, 11%, and 16%, respectively. Approximately half of patients were acquainted with the nonpharmacologic treatment options of physical activity (49%), reduction of salt intake (54%), and reduction of caloric intake (48%), whereas relaxation techniques were only known to 17%. Adherence to those treatment options ranged from 42% to 67%. Educational level was significantly associated with knowledge of increased risk, possible consequences of hypertension, and knowledge about nonmedication treatment options.

Conclusion— Knowledge in our population was insufficient and partly associated with educational level, leaving much room for improvement by educational campaigns. Furthermore, we found a gap between knowledge of the increased risk for stroke in patients with hypertension and awareness of their own risk.

Key Words: education • hypertension • ischemic • socioeconomic status • stroke